“Copyleft (L)” sticker

This is a scan of the “Copyleft (L)” sticker on the
back of the envelope mailed from Don Hopkins to Richard Stallman on
1984. The envelope contained a 68000 manual that Don borrowed from
Richard, that he was returning. The sticker inspired Richard to use
the word “Copyleft”
for licensing free software.

Front of the envelope

This is a scan of the front of the envelope with the
“Copyleft (L)” sticker on its back, mailed from Don Hopkins to Richard
Stallman on 1984. The envelope contained a 68000 manual that Don
borrowed from Richard, that he was returning. The sticker inspired
Richard to use the word “Copyleft” for free software.

Back of the envelope with the “Copyleft (L)”
sticker

This is a scan of the back of the envelope with the “Copyleft
(L)” sticker, mailed from Don Hopkins to Richard Stallman on
1984. The envelope contained a 68000 manual that Don borrowed from
Richard, that he was returning. The sticker inspired Richard to use
the word “Copyleft” for free software.

attention:

READ NOTE BEFORE OPENING!

Copyleft (L)

The material contained in this envelope is Copyleft (L) 1984 by an
amoeba named “Tom”. Any violation of this stringent pact
with person or persons who are to remain un-named will void the
warrantee of every small appliance in your kitchen, and furthermore,
you will grow a pimple underneath your fingernail. Breaking the seal
shows that you agree to abide by Judith Martin's guidelines concerning
the choosing of fresh flowers to be put on the dining room table.
Failure to break the seal on a weekday is […]